Research Letter  March 30, 2023 Comparison of Availability of Trial Results in ClinicalTrials.gov and PubMed by Data Source and Funder Type Julianne T. Nelson, Tony Tse, Yvonne Puplampu-Dove, et al JAMA. Published online March 30, 2023. doi:10.1001/jama.2023.2351 Timely dissemination of clinical trial results is essential for improving transparency and ensuring that findings are available to inform evidence-based medicine.1 Prior analyse...

Original Investigation  February 20, 2023 Prevalence of Chronic Kidney Disease in China: Results From the Sixth China Chronic Disease and Risk Factor Surveillance Limin Wang, Xin Xu, Mei Zhang, et al JAMA Intern Med. Published online February 20, 2023. doi:10.1001/jamainternmed.2022.6817 Key Points Question  What is the prevalence of chronic kidney disease (CKD) in China? Findings  In this nationally representative c...

Original Investigation  Caring for the Critically Ill Patient March 21, 2023 Heterogeneous Treatment Effects of Therapeutic-Dose Heparin in Patients Hospitalized for COVID-19 Ewan C. Goligher, Patrick R. Lawler, Thomas P. Jensen, et al JAMA. 2023;329(13):1066-1077. doi:10.1001/jama.2023.3651 Key Points Question  What patient characteristics are associated with benefit or harm of therapeutic-dose heparin in patients hospitalized for mode...

Original Investigation  April 4, 2023 Differences in Treatment Patterns and Outcomes of Acute Myocardial Infarction for Low- and High-Income Patients in 6 Countries Bruce E. Landon, Laura A. Hatfield, Pieter Bakx, et al JAMA. 2023;329(13):1088-1097. doi:10.1001/jama.2023.1699 Key Points Question  How do treatment patterns and outcomes for older patients presenting with acute myocardial infarction differ for low- vs high-income in...

CORRESPONDENCE Stroke, Myocardial Infarction, and Pulmonary Embolism after Bivalent Booster Marie-Joelle Jabagi, Marion Bertrand, Jérémie Botton, et al N Engl J Med March 29, 2023DOI: 10.1056/NEJMc2302134 TO THE EDITOR: A bivalent messenger RNA vaccine targeting both the ancestral and omicron BA.4–BA.5 sublineages of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (Pfizer–BioNTech) was introduced in France in early October 2022 and recommended ...

SPECIAL ARTICLE Air Pollution and Mortality at the Intersection of Race and Social Class Kevin P. Josey, Scott W. Delaney, Xiao Wu, et al N Engl J Med March 24, 2023DOI: 10.1056/NEJMsa2300523 Abstract BACKGROUND Black Americans are exposed to higher annual levels of air pollution containing fine particulate matter (particles with an aerodynamic diameter of ≤2.5 μm [PM2.5]) than White Americans and may be more susceptible to its health effects. Low-income...

ORIGINAL ARTICLE Transcatheter Arterialization of Deep Veins in Chronic Limb-Threatening Ischemia Mehdi H. Shishehbor, Richard J. Powell, Miguel F. Montero-Baker, et al N Engl J Med 2023; 388:1171-1180DOI: 10.1056/NEJMoa2212754 Abstract BACKGROUND Approximately 20% of patients with chronic limb-threatening ischemia have no revascularization options, leading to above-ankle amputation. Transcatheter arterialization of the deep veins is a percutaneous appro...

Research Letter  March 28, 2023 Discontinuation of Conventional Synthetic Disease-Modifying Antirheumatic Drugs in Patients With Rheumatoid Arthritis and Excellent Disease Control Siri Lillegraven, Nina Paulshus Sundlisæter, Anna-Birgitte Aga, et al JAMA. 2023;329(12):1024-1026. doi:10.1001/jama.2023.0492 With advances in rheumatoid arthritis (RA) therapy, more patients achieve sustained remission. Treatment recommendations suggest considerin...

Original Investigation  February 24, 2023 Effect of Tight Glycemic Control on Pancreatic Beta Cell Function in Newly Diagnosed Pediatric Type 1 Diabetes: A Randomized Clinical Trial Jennifer McVean, Gregory P. Forlenza, Roy W. Beck, et al JAMA. 2023;329(12):980-989. doi:10.1001/jama.2023.2063 Key Points Question  Does near normalization of glucose levels preserve pancreatic beta cell function in youth with newly diagnosed type 1 diabetes? ...

Research Comparative effectiveness and safety of analgesic medicines for adults with acute non-specific low back pain: systematic review and network meta-analysis Michael A Wewege, Matthew K Bagg, Matthew D Jones, et al BMJ 2023; 380 doi: https://doi.org/10.1136/bmj-2022-072962 (Published 22 March 2023)Cite this as: BMJ 2023;380:e072962 Abstract Objective To evaluate the comparative effectiveness and safety of analgesic medicines for acute non-specific...